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Grade: 12

                        

surface charge density of soap bubble of radius r and surface tension t is sigma . if p is excess pressure the value of sigma

3 years ago

Answers : (1)

desai_maulika1
36 Points
							
surface charge tension = T
surface charge density= \sigma
the total pressure in the soap bubble=
Pin -Pout = 4T/R-\sigma2/2\varepsilon
Excess pressure inside the charge soap bubble
pin-pout = pexcees
P = 4T/R-\sigma2/2\varepsilon
\sigma2=2\varepsilon [4T/R- p]
\sigma = {2\varepsilon0 [4T/R- p]}1/2
 
 
 
 
 
 
 
 
 
 
 
 
 
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2 years ago
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